The pressure and density of a diatomic gas $(\gamma = 7/5)$ change adiabatically from $(P, d)$ to $(P', d')$. If $\frac{{d'}}{d} = 32$, then $\frac{{P'}}{P}$ should be
  • A$1/128$
  • B$32$
  • C$128$
  • D
    None of the above
Medium
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